| Classification | Asteraceae: Trigonospermum |
| Harvard University Herbaria Barcode(s) | 00013244 |
| Type Status | Isotype |
| Collector | Y. E. J. Mexia |
| Collector number | 1852 |
| Country | Mexico |
| State | Jalisco |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco |
| Locality | West of San Sebastian, Hacienda del Ototal, Arroyo del Ototal, Sierra Madre Occidental |
| Date Collected | 1927-03-09 |
| Elevation | 1500 m |
| Habitat | Streambank |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d2d80758-7452-4064-b5ac-827e986379fc |
| Harvard University Herbaria Barcode | 00013244 |
| Herbarium | A |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Trigonospermum hispidulum S. F. Blake |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1983 |
| Taxon Reference | (for Trigonospermum hispidulum S. F. Blake) J. Wash. Acad. Sci. 1929. 19: 272. |
| Family | Asteraceae |
| Determination | Trigonospermum melampodioides de Candolle |
| Determined by | R. McVaugh (MICH) & C. W. Laskowski (MICH) |
| Date Determined | 1967 |
| Determination Remarks | [current name] |
| Annotation Text | in DC. Prodr. 5: 509. 1836.; Isotype of T. hispidulum Blake |
| Family | Asteraceae |
| Determination | Trigonospermum hispidulum S. F. Blake |
| Determination Remarks | [label name] |
| Annotation Text | sp. nov. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |